Shaykh Abu Zayd al Balkhi

• Muslim polymath

• Geographer, Mathematician, Islamic scholar, physician, psychologist & scientist

• Born 850 CE in Shamistiyan in Balkh, Afghanistan

• Student of Al-Kindi

• Founder the “Balkhī school” of terrestrial mapping

He wrote a book :

“Abu Zayd al-Balkhi’s Sustenance of the Soul: The Cognitive Behaviour Therapy of A Ninth Century Physician”